"""
Water models.
"""
SPC_E_atoms = {
#FF_type  at_mass  sig[A]  eps[kcal/mol]  charge
        "OW":(15.9994, 3.166, 0.1553, -0.8476),
        "HW":(1.008, 0.0, 0.0, 0.4238)
        }

TIP3P_atoms = {
        "OW":(15.9994, 3.188, 0.102 , -0.8300),
        "HW":(1.008, 0.0, 0.0, 0.415 )
        }

#TIP4P EW
TIP4P_atoms = {
        "OW":(15.9994, 3.16435, 0.16275, 0.00000),
        "HW":(1.008, 0.0, 0.0, 0.52422),
        "X":(0.00000001, 0.0, 0.0, -1.04844)
        }

#TIP5P EW
TIP5P_atoms = {
        "OW":(15.9994, 3.097, 0.1780, 0.0000),
        "HW":(1.008, 0.0, 0.0, 0.2410),
        "X":(0.00000001, 0.0, 0.0,-0.2410)
        }
